INSTITUTO POLITECNICO NACIONAL ESCUELA SUPERIOR DE INGENIERÍA QUÍMICA E INDUSTRIAS EXTRACTIVAS ACADEMIA DE QUÍMICA ORGÁNICA Y POLÍMEROS INGENIERIA QUIMICA INDUSTRIAL LABORATORIO DE QUÍMICA DE GRUPOS FUNCIONALES PRÁCTICA 8:
“OBTENCIÓN DEL BENZOA BENZO ATO DE ETILO POR MEDIO DE LA ESTERIFICACION DEL ACIDO BENZOICO” GRUPO: 2IV47 EQUIPO: 2
INTEGRANTES: •
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HERNANDEZ MENDEZ ROBERTO LLANOS GUERRERO AXEL ANTONIO REYES VALENCIA JORGE LUIS
PROFRA: TIERRABLANCA TIERRABLANCA GUDIO BERENICE! BERENICE!
FECHA DE ENTREGA: 2" # "4 # 2"
%$Contenido ¿DE QUE TRATA LA PRACTICA?!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!& ASPECTOS TEORICOS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!4
'()*+*(!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!4 N,-*./01)+1!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!3 P+,5*616*( (5/1(!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!! % P+,5*616*( 9-5/1(!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 7 MECANISMO DE REACCIN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!8 O!"ETI#OS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
GENERALES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! PARTICULARES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! M$te%i$&!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$" M'todo!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$" S()t$n*i$)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$" P%o*edi+iento!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$$ T$,&$ de d$to) e-.e%i+ent$&e)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$$ C/&*(&o)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$2
C,.;*+)5-,( 6* <+1-,( 1 ;,0-*. *0 =/56, >*.?,5/,!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! $2 V10,+ )*@+5/, 6*0 >*.?,1), 6* *)50,!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$2 E0*ien*i$!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$2 T$,&$ de %e)(&t$do)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$& DISCUSIN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$& CONCLUSIN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$4 !I!LIOGRAFÍA!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! $3
¿DE QUE TRATA LA PRACTICA? E. *()1 (*(5@. (* );, /,-, ,>*)5;, ,>)*.*+ *0 >*.?,1), 6* *)50, ,+ -*65, 6* 01 *()*+5/1/5@. 6*0 =/56, >*.?,5/, *( 6*/5+ /,. +6561 6* 1<1! P*6* +,;*.5+ 6* =/56,( 105=)5/,( , 1+,-=)5/,(! E0 +,/*(, 6* **+5-*.)1/5@. *( -F 01+<, F 6*05/16, ,+ 0, 9* (* 6*>* )*.*+ *(*/510 /5616, *. 01( /,.65/5,.*( 6* ,*+1/5@. 1+1 00*;1+01 1 /1>, *. )5*-, F ,+-1! P1+1 /,-*.?1+ 01 **+5-*.)1/5@. (* 1165@ 1/56, >*.?,5/, 10/,,0 *)05/, F =/56, (0+5/, *. . -1)+1? 6* ,.6, 01., F 1/5.6,0, -*?/01+ /,. 1F61 6*0 1<5)16,+ -1<.)5/, F 01 1++5001 *0/)+5/1! L0*;1-,( 1 +*, *()1 -*?/01 F /,.)+,01-,( 01 )*-*+1)+1 6*0 (5()*-1 *. 1+,5-161-*.)* 1 7"KC /,. 0, 9* 00*;1-,( .*()+1 -*65/5@. 6* $ ,+1! P1(16, *0 )5*-, 6* +*, 1(1-,( *0 /,.)*.56, 6*0 -1)+1? 1 . ;1(, 6* +*/55)16,( /,. 1<1 +1 *(*+1.6, *(* .1 (()1./51 .*)+1 F *. 616, /1(, 6* 9* ., 0, *+1 .*)+105?1-,( *()1 -*?/01 /,. .1 (,0/5@. 6* /1+>,.1), 6* (,65, 1()1 00*<1+ 1 . H 6* % 1 7! T+1.(*+5-,( *.),./*( *0 /,.)*.56, 6*0 ;1(, 1 . *->6, 6* (*1+1/5@. *. 6,.6* (* *)+1, 01 1+)* ,+<=.5/1 /,. 6,( ,+/5,.*( 6* )*+ *)05/,! P,()*+5,+-*.)* (* 5/5*+,. 01;16,( 6* 01 1(* *)+*1 /,. 1<1 .10-*.)* ,>)*.*+ 01 -1F,+ /1.)5616 6* 01 1(* *)+*1 01 /10 1 ( ;*? * (*/161 1>(,+/5@. 6* 1<1 /,. (01), 6* (,65, 1.56+,! P1+1 .105?1+ -,.)1-,( *0 *95, 6* 6*()501/5@. F (*1+1-,( *0 )*+ *)05/, ,+ 6*()501/5@. /,.)+,01.6, 01 )*-*+1)+1 1 %"KC 1+1 1( *;1,+1+ *0 )*+ 1+1 1( .10-*.)* )+1( .1 .*;1 6*()501/5@. 1 )*-*+1)+1 6* 2""C ,>)*.*+ .*()+, +,6/), .10 /,-, >*.?,1), 6* *)50,!
ASPECTOS TEORICOS '()*+*( E. 0,( ()*+*( -=( /,-.*( *0 =/56, *. /*()5@. *( . =/56, /1+>,05/,! P,+ **-0, (5 *0 =/56, *( *0 =/56, *)1.,5/, , 1/)5/, *0 ()*+ *( 6*.,-5.16, /,-, *)1.,1), , 1/*)1),! L,( ()*+*( )1->5. (* *6*. ,+-1+ /,. =/56,( 5.,+<=.5/,( /,-, *0 =/56, /1+>@.5/, ,+5<5.1 ()*+*( /1+>@.5/,( *0 =/56, ,(@+5/, ()*+*( ,(@+5/,( , *0 =/56, (0+5/,! P,+ **-0, *0(01), 6* 65-*)50, *( . ()*+ 1 ;*/*( 001-16, ()*+ 65-*)05/, 6*0 =/56, (0+5/,! 1)te%
1)te% *$%,5ni*o
1)te% 6o)65%i*o
1)te% )(&67%i*o
2')te% de /*ido *$%,o-3&i*o4
2')te% de /*ido *$%,5ni*o4
2t%i')te% de /*ido 6o)65%i*o4
2di')te% de /*ido )(&67%i*o4
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
P+5./510-*.)* +*(0)1.)* 6* 01 /,.6*.(1/5@. 6* . =/56, /1+>,05/, F . 10/,,0! E0 +,/*(, (* 6*.,-5.1 *()*+5/1/5@.! U. ()*+ //05/, *( .1 01/),.1!
R*1//5@. 6* *()*+5/1/5@.!
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L1 +5-*+1 1+)* 6*0 .,->+* etanoato (o acetato) +,;5*.* 6*0 =/56, *)1.,5/, 1/)5/,! L1 ,)+1 -5)16 de metilo +,;5*.* 6*0 10/,,0 -*)05/, -*)1.,0!
E)1.,1), 6* *)50,!
E. *0 65>, 6* 01 6*+*/1 (* ,>(*+;1 01 1+)* 9* +,/*6* 6*0 =/56, *. +,, etanoato F 01 1+)* 9* +,/*6* 6*0 10/,,0 *. 1?0 de etilo!
L*<, *0 .,->+* <*.*+10 6* . ()*+ 6* =/56, /1+>,05/, (*+= 10/1.,1), 6* 10950, 6,.6*: •
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$&*$n8 +1? 6* 01 /16*.1 /1+>,.161 +5./510 (5 *( . 10/1., 9* (* .,->+1 1 1+)5+ 6*0 .-*+, 6* =),-,( 6* /1+>,.,! P,+ **-0,: propan(5<.5/1 /16*.1 6* & =),-,( 6* /1+>,., .56,( ,+ *.01/*( (*./500,(! o$to (, 9* 5.65/1 9* *( 6*+5;16, 6* . =/56, /1+>,05/,! P,+ **-0,: +,1.,1),: CH &#CH2#CO# (5<.5/1 6*+5;16, 6*0 =/56, +,1.,5/,! de $&9(i&o: I.65/1 *0 10/,,0 6* +,/*6*./51! P,+ **-0,: #O#CH 2#CH& *( 6* *)50,
E. /,..), CH &#CH2#COO#CH2#CH& (* .,->+1 propanoato de etilo.
P+,5*616*( (5/1( L,( ()*+*( *6*. 1+)5/51+ *. 0,( *.01/*( 6* 56+@<*., /,-, 1/*)16,+*( *+, ., *6*. 1+)5/51+ /,-, 6,.16,+*( *. *()* )5, 6* *.01/*( 1 65*+*./51 6* 0,( 10/,,0*( 6* 0,( 9* 6*+5;1.! E()1 /11/5616 6* 1+)5/51+ *. 0,( *.01/*( 6* 56+@<*., 0*( /,.;5*+)* *. -=( 56+,(,0>0*( 9* 0,( 56+,/1+>+,( 6* 0,( 9* 6*+5;1.! P*+, 01( 05-5)1/5,.*( 6* (( *.01/*( 6* 56+@<*., 0,( 1/* -=( 56+,@>5/,( 9* 0,( 10/,,0*( , =/56,( 6* 0,( 9* 6*+5;1.! E()1 10)1 6* /11/5616 6* 1/)1+ /,-, 6,.16,+ 6* *.01/* 6* 56+@<*., ,/1(5,.1 9* ., *61. ,+-1+ *.01/*( 6* 56+@<*., *.)+* -,0/01( 6* ')te%e) 0, 9* 0,( 1/* -=( ;,0=)50*( 9* . =/56, , 10/,,0 6* (5-501+ *(, -,0*/01+! M/,( ()*+*( )5*.*. . 1+,-1 /1+1/)*+()5/, 0, 9* 1/* 9* (* )505/*. 1-051-*.)* /,-, (1>,+*( F +1<1./51( 1+)5/510*(! P,+ **-0,: •
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(105/501), 6* -*)50, 1/*5)* 6* (5*-+*;*+6* , -*.)1: 1+,-1 6* 01( ,-161( G*+-,0*.* F R10<* R*5., U.56, ,/)1.,1), 6* *)50,: (1>,+ 1 +1->*(1
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L,( ()*+*( )1->5. 1+)5/51. *. 01 56+@05(5( *()*+=+5/1: 01 +)+1 6* . ()*+ ,+ 1<1! L,( ()*+*( )1->5. *6*. (*+ 6*(/,-*(),( ,+ =/56,( , >1(*( *+)*(! C,-, +*(0)16, (* 6*(/,-,.*. *. . 10/,,0 F . =/56, /1+>,05/, , .1 (10 6* . =/56, /1+>,05/,:
R*1//5@. 6* (1,.5/1/5@. , 56+@05(5(!
P+,5*616*( 9-5/1( E. 01( +*1//5,.*( 6* 0,( ')te%e) 01 /16*.1 (* +,-* (5*-+* *. . *.01/* (*./500, F1 (*1 *.)+* *0 ,<*., F *0 10/,,0 , R F1 (*1 *.)+* *0 ,<*., F *0 <+, R#CO# *05-5.1.6, 1( *0 10/,,0 , ., 6* (( 6*+5;16,(! L1 (1,.5/1/5@. 6* 0,( ()*+*( 001-161 1( ,+ ( 1.10,<1 /,. 01 ,+-1/5@. 6* 1>,.*( *( 01 +*1//5@. 5.;*+(1 1 01 *()*+5/1/5@.! L,( ()*+*( (* 56+,<*.1. -=( =/50-*.)* 9* 0,( =/56,( *-0*=.6,(* <*.*+10-*.)* *0 ()*+ *)05/, )+1)16, /,. .1 -*?/01 6* (,65, F 10/,,0 R*6//5@. 6* B,;*10)#B01./! E0 56++, 6* 05)5, F 10-5.5, +*6/* ()*+*( 6* =/56,( /1+>,05/,( 1+1 61+ 2 *95;10*.)*( 6* 10/,,0! L1 +*1//5@. *( 6* 1-05, *(*/)+, F (* 1 )505?16, 1+1 +*6/5+ 65;*+(,( ()*+*(! L1( 01/),.1( +,6/*. 65,0*(! E5()*. 65;*+(,( 1<*.)*( +*6/),+*( 10)*+.1)5;,( 10 56++, 6* 05)5, F 10-5.5, /,-, *0 DIBALH *0 )+5*)50#>,+,56++, 6* 05)5, , BH&S5M*& 1 +*, /,. TH! E0 65/0,++, 6* )5)1.,/*., +*6/* 0,( ()*+*( 6* =/56,( /1+>,05/,( 1()1 *0 10/1., RCH &F *0 10/,,0 R#OH! E0 -*/1.5(-, +,>1>0*-*.)* (* 6*>* 1 01 ,+-1/5@. 6* . 109*., 5.)*+-*651+5,!
E0 56+@<*., 6* -/,( ()*+*( *6* (*+ (()+16, /,. .1 >1(* ., ./0*,05/1 , *0 10/@56, /,++*(,.65*.)* 10 ()*+!
E0 /1+>1.5@. <*.*+16, *6* .5+(* 1 65;*+(,( (()+1),( *. 65;*+(1( +*1//5,.*( 6* /,.6*.(1/5@. )10*( /,-, 01 /,.6*.(1/5@. 6* C015(*. 01 /,.6*.(1/5@. 6* D5*/-1.. F 01 (.)*(5(
[email protected]/1! M/,( -),6,( 6* (.)*(5( 6* 1.500,( *)*+,//05/,( 1+,;*/1. *()1( +,5*616*( 9-5/1( 6* 0,( ()*+*( )10*( /,-, 01 (.)*(5( 6* 5++,0*( 6* H1.)?(/ F 01 (.)*(5( 6* *5()# B*.1+F! E5()*. +*1//5,.*( 6* /,.6*.(1/5@. *. 01( 9* (* )505?1 . +*6/),+ 9* 1,+)* *0*/)+,.*( 1+1 ,+-1+ *0 *.01/* C#C *.)+* <+,( 1/50, /,-, *0 /1(, 6* 01 /,.6*.(1/5@. 1/50,.5/1! L,( ()*+*( *6*. 61+ 10/,,0*( /,. 6,( (()5)F*.)*( 56.)5/,( ,+ 165/5@. 6* +*1/)5;,( 6* G+5<.1+6! U.1 105/1/5@. 6* *()1 +*1//5@. *( 01 +*1//5@. 6* 5-,),#B*00*1!
MECANISMO DE REACCIN
O!"ETI#OS GENERALES •
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O>)*.*+ *0 >*.?,1), 6* *)50, ()*+ *.50#*)505/, ,+ -*65, 6* 01 *()*+5/1/5@. 6*0 =/56, >*.?,5/,! A+*.6*+ *0 +5./55, 6* *()*+5/1/5@.!
PARTICULARES •
C,.,/*+ 01( +,5*616*( (5/1( 6*0 >*.?,1), 6* *)50,!
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D*()501+ 6,( (()1./51( F /,.,/*+ 0,( )5*-,( 16*/16,(!
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C,.,/*+ *0 +,/*(, 6* *()*+5/1/5@. 6* 5(/*+ (*5*+
M$te%i$& • • • • • • • • • •
M1)+1? 6* ,.6, 01., C,0-.1 6* 6*()501/5@. T*+-@-*)+, P1++5001 *0/)+5/1 B101 -1<.)5/1 M1.<*+1( B101.?1 1.10)5/1 E(=)01 V56+5, 6* +*0, P+,>*)1
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T5.1 1+1 >1, M1+1 T5.1 E->6, 6* (*1+1/5@. A<5)16,+ 6* ;56+5, V1(, 6* +*/55)16, &" -0 C+5()105?16,+ P5.?1 6* & 6*6,( P5.?1 .*? B,->1 *0/)+5/1
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M'todo • •
R*, 1 *<, 65+*/), D*()501/5@. (5-0* •
S()t$n*i$) • • • • • • •
A0/,,0 *)05/, C2H%O A/56, >*.?,5/, C7H%O2 A<1 H2O Á/56, (0+5/, H2SO4 C1+>,.1), 6* (,65, N12CO& ')*+ E)05/, C4H$"O S01), 6* (,65, 1.6+56, N12SO4
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P%o*edi+iento ; M,.)1-,( *0 *95, 1+1 +*, 1 *<, 65+*/), <; P*(1-,( 2!3 < 6* =/56, >*.?,5/, *. 01 >101.?1 1.10)5/1 /,. *0 ;56+5, 6*
+*0, =; A<+*<1-,( *0 =/56, >*.?,5/, 10 -1)+1? 6* ,.6, 01., F -*65-,( *. 01
+,>*)1 $2!3 -0 6* *)1.,0 F 2!3 -0 6* H2SO4 >; E-*?1-,( 1 +*1+ /,. 1<5)1/5@. /,.)+,01.6, 01 )*-*+1)+1 *.)+* 7"#8" C ,+ .1 ,+1 F -*651 ; V*+)5-,( *0 /,.)*.56, *. . ;1(, 6* +*/55)16, /,. 2!3 -0 6* 1<1 +1 @; N*)+105?1-,( 01 -*?/01 /,. N12CO& 10 23W ; T+1.(*+5-,( 01 (,0/5@. 10 *->6, 6* (*1+1/5@. B; H5/5-,( 2 01;16,( 1 01 (,0/5@. /,. %!2 -0 6* )*+ *)05/, /161 01;16, ; D*(*/1-,( 01 1+)* 1/,(1 * 5/5-,( 2 01;16,( 1 01 1(* *)+*1 /,. %!2 -0 6* 1<1 /161 01;16,
;
V*+)5-,( 01 1(* *)+*1 *. *0 /+5()105?16,+ F (*/1-,( /,. (01), 6* (,65, 1.56+, ; M,.)1-,( *0 *95, 1+1 6*()501/5@. (5-0* <; D*/1.)1-,( 01 (,0/5@. *. *0 -1)+1? 6* ,.6, 01., +*;51-*.)* 01;16, =; S*1+1-,( *0 )*+ *)05/, *.)+* .1 )*-*+1)+1 6* &%#%& C 1()1 ., ,>)*.*+ -=( )*+ >; D*()501-,( *0 >*.?,1), *.)+* .1 )*-*+1)+1 6* $8"#2"" C ; M*65-,( *0 ;,0-*. • • •
T$,&$ de d$to) e-.e%i+ent$&e) •
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$*i do ,e n oi* o 24
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P M $*i do ,e n oi* o 2
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$*ido ,enoi *o
(
g ) ml
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#o&; ,eno$ to de eti&o 2+&4
PM ,eno$ to de eti&o
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(
g ) mol
g mo •
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C/&*(&o) •
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C,.;*+)5-,( 6* <+1-,( 1 ;,0-*. *0 =/56, >*.?,5/,
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V,0! =/56, >*.?,5/,
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2.5 g •
V,0! 1/56, >*.?,5/,
1.32
g ml
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V10,+ )*@+5/, 6*0 >*.?,1), 6* *)50,
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V,0! >*.?,1), 6* *)50, ;,0! 1/56, >*.?,5/,
(
PM benzoato de etilo 2∗ PM acido benzoico
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g mol V,0! >*.?,1), 6* *)50, $!8 -0 g 2∗122.12 mol 150.17
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E0*ien*i$ •
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(
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valor experimental x 100 valor teorico •
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(
.3 ml 1.1 ml
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x 100= 27.27
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T$,&$ de %e)(&t$do) •
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#o&; $*ido ,enoi*o 2+&4
#o&; ,eno$t o de eti&o te5%i*o 2+&4 ;
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E0*ien*i $ 24
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DISCUSIN •
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D* 1/*+6, 1 .*()+, ;10,+ 6* */5*./51 ,>)*.56, .,)1-,( 9* 01 /1.)5616 6* +,6/), 6*(*16, *( -F ,/, *(), *( 6*>56, 1 -/,( 1/),+*( /,-, 01 +*?1 6* 0,( +*1/)5;,( *0 -*65, 6* ,>)*./5@. 01( /1.)5616*( )505?161( F 01 */5*./51 6* 0,( *95,( *. *()* /1(, *0 -1)*+510 6* 01>,+1),+5,! C1>* 6*()1/1+ 9* *( 5-,+)1.)* *0 ,+6*. 6* -*?/016, 6* 0,( +*1/)5;,( F1 9* (5 ., (* 1/* /,.,+-* 1 *(*/5/1/5@. ,6*-,( 1*/)1+ <+1;*-*.)* 01 6*()501/5@. 6* .*()+, +,6/),! O)+, .), 1 65(/)5+ *( 9* 95?=( 10 *;1,+1+ *0 )*+ 6, 1>*+(* *(/116, . ,6, 6*0 >*.?,1), , 9* 10 -,-*.), 6* (*1+1+ 01 1(* *)+*1 6* 01 1/,(1 ., 1F1-,( *)+16, ),)10-*.)* 01 1(* *)+*1 )*.5*.6, 1( .1 *+6561! A0 .10 01 (-1 6* ),6,( *(),( 1/),+*( 1/* 9* *0 ;,0-*. 6* >*.?,1), 6* *)50, (* ;1 *-,>+*/5*.6, 1*/)1.6, 1( .*()+1 */5*./51! A *(1+ 6* ),6, *(), .,)1-,( /,-, ./5,.1 >=(5/1-*.)* *0 +5./55, 6* 01 6*()501/5@. *0 /10 .,( 65/* 9* *.)+* .),( 6* *>005/5@. -=( 11+)16,( *.)+* ( 01 6*()501/5@. *( -=( */5*.)*! N,)1-,( ;1+5,( ,0,+*( 1 0, 01+<, 6* 01 +=/)5/1 ,+ 0, 9* 65(/)5-,( 1 9* (()1./51 /,++*(,.61 /161 ., 6* *00,( +*(,0;5*.6, 1( 9* *0 )*+ 6*(+*.61 . ,0,+ 6*(1<+161>0* -5*.)+1( 9* *0 >*.?,1), )*.1 . ,0,+ 60/* /,-, 1 +)1(
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CONCLUSIN •
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